air operate valveair operated valveair-operated valveeumavalvepneumatic operated valvepneumatic valvepneumatically operated valve气动: pneumatic阀: established house or power g ...l型气动阀: l valve; l-valve电动气动阀: electro-pneumatic valve (epv); electropneumatic valve电控气动阀: electropneumatic valve下载手机词典可随时随地查词查翻译